Welcome to your 2365 624 Inspection & testing. This mock exam is not a substitute for proper teaching or revision and should only be used as a resource to prepare learners for the exam. The questions (along with the wording and diagrams) contained within the bank of this exam are purely made up by our lecturers and not copied from any actual qualification exam. So while this is an excellent free revision resource, please do not rely on these exam questions alone to help you be successful within your qualifications. When you are ready, please press "start quiz".
1.
The maximum value of earth electrode resistance for a TT installation protected by a 30mA RCD by GN3 as
2.
If the ambient temperature decreases, the conductor resistance?
3.
One of the requirements for initial verification on a completed installation is
4.
An insulation resistance test conducted on a radial circuit feeding a single socket outlet reveals a reading of 0.00MΩ?
5.
The image represents which type of earthing system?
6.
The test voltage of a low resistance ohmmeter recommended by GN3 should be within
7.
The quickest method of determining compliance with BS7671 when performing an earth fault loop impedance test is comparing the results to
8.
Proof that a voltage device is working correctly is most safely achieved by
9.
What of responsibilities are outlined in the EIC
10.
An earth fault loop impedance test performed on a ring final circuit will record
11.
When completing an EIC on a TNS system which box should be ticked in the means of earthing section
12.
Test instruments should ideally be calibrated
13.
The correct scale for a multifunction tester when measuring R1+R2 is
14.
Once a single circuit has been safely isolated, the key should
15.
When working on a circuit supplied by a fuse, which of the following methods is the LEAST acceptable method of ensuring accidental re-energisation?
16.
One reason for testing the prospective fault current is to
17.
An earth fault loop impedance tester should only allow test current to flow for
18.
Failure to get a reading of polarity using test method one could indicate
19.
An initial verification should always be carried out on:
20.
What is considered Low Voltage?
21.
The insulation resistance test voltage for a SELV installation is
22.
A low resistance ohmmeter should provide a short circuit current not less than
23.
An R1+R2 reading is taken on a standard lighting circuit, what instrument should be used?
24.
Which test is the most accurate to test the sensitivity of an RCD?
25.
The following readings were taken on a test performed on a ring final circuit, Line to Line 0.8Ω, Neutral to Neutral 0.8Ω, cpc to cpc 0.8Ω . What would be the expected reading between line and neutral at each socket outlet?
26.
An RCD used for additional protection should operate, when tested at 1 times the rated operating current, within
27.
According to BS7671 18th Edition Guidance Note 3, insulation resistance values for a new installation should be investigated below what value?
28.
Why is it important to test an installation in the correct sequence?
29.
The accessory pictured is often used in testing when conducting test using what particular method?
30.
An initial check at the ends of a ring final circuit using a low reading ohmmeter will not indicate?
31.
A low reading ohmmeter used to perform a continuity of protective conductor test should record results in
32.
While working on a circuit, a colleague receives an electric shock. What action should you take?
33.
Where more than one operative is working on a circuit, a suitable device for ensuring lock off for isolation would be
34.
Before beginning the initial verification on a domestic property after a full rewire, what should you do?
35.
If the ambient temperature increases, the conductor resistance
By Alan Rogers